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19 lines
694 B
19 lines
694 B
% lvm |
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# Stop caching a volume and free its cache volume |
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sudo lvconvert --uncache <lv> |
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# Use spare space on a physical volume for (unencrypted) swap |
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sudo lvcreate -n <swaplv> -l100%PVS <vg> <pv> && sudo mkswap /dev/<vg>/<swaplv> && sudo swapon -p20 /dev/<vg>/<swaplv> |
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# Drop and free a swap volume |
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sudo swapoff /dev/<vg>/<swaplv> && sudo lvremove /dev/<vg>/<swaplv> |
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# Use spare space on a physical volume for writeback caching another logical volume |
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sudo lvcreate -n <cachepool> -l100%PVS <vg> <pv> && sudo lvconvert --type cache --cachemode writeback --cachepool <cachepool> <vg>/<targetlv> |
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# Tell a volume to flush all cache without uncaching |
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sudo lvchange --cachepolicy cleaner <lv>
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